Patriot’s Day. For most people, it’s that odd Massachusetts holiday we get off from work, a time for barbecues, beer, (hopefully) nice weather, and of course, the time-honored tradition of running bandit in the Boston Marathon.

When an exhibition of art projects by Yale University seniors opened on Tuesday, one was missing: that of Aliza Shvarts, whose performance-art project reportedly involved artificially inseminating herself repeatedly and then self-aborting.